# Chemistry (WebWorks)

57,100 results

Chemistry
I have a question for chem 1LD webworks number 4. it asks to repeat the previous question steps and find the delta H for the high spin and low spin for Fe(ox)3 3- but calculate with B3LYP, 6-31G* instead of a semi-empirical

UCI Chemistry Webworks
For the following balanced equation: 2 Ag+ (aq) + Cu(s) <<->> Cu2+ (aq) + 2 Ag(s) Which letter corresponds to the correct cell notation at standard state conditions? A. 2Ag+(aq) | Cu2+(aq) || 2Ag(s) | Cu(s) B. Cu(s)| Cu2+(aq) || Ag+(aq) | Ag(s) C. Ag+(aq) | Cu2+(aq...

Calculus
Let f(x)=1/x. Compute the difference quotient for f(x) at x=1 with h=0.3 I know that the formula for difference quotient is (f(x+h)-f(x))/h, but I am not sure how I am supposed to plug this in. I have tried a few ways but webworks says that the answer is wrong every time.

UCI webworks Problem 9
Use the labels (CV+, –OH, CVOH, , Ea (activation energy), & G) to complete the reaction potential energy profile below. More than one answer is possible for some spots a. ? b. iii c. iv d. ii e. i these are the correct answers. idk a but i know its not v, vi

Calculus
Find the length of the entire perimeter of the region inside r=5sin(theta) but outside r=1. 1=5sin(theta) theta=arcsin(1/5) r'=5cos(theta) I tried the integral between arcsin(1/5) and pi-arcsin(1/5) of (((5sin(theta))^2+(5cos(theta))^2))^1/2 which gives me 13.694 Webworks (a ...

UCI Webworks
Answer the follow using the Energy Profile plot. More than one answer is possible for some questions. What chemical species are present... A. at the longest constraint distance? (Use i, ii, iv, etc. for your answer) B. at the highest energy? (Use i, ii, iv, etc. for your ...

UCI Webworks
Answer the follow using the Energy Profile plot. More than one answer is possible for some questions. What chemical species are present... A. at the longest constraint distance? (Use i, ii, iv, etc. for your answer) B. at the highest energy? (Use i, ii, iv, etc. for your ...

Math
Water is leaking out of an inverted conical tank at a rate of 0.0109 {\rm m}^3{\rm /min}. At the same time water is being pumped into the tank at a constant rate. The tank has height 9 meters and the diameter at the top is 4.5 meters. If the water level is rising at a rate of ...

UCI Chemistry Webworks
SPARTAN: Using the bond lengths recorded in Table II determine bond order and the major resonance structures of the following: A. For CVOH, the C-C bonds are longer than the bond lengths found in . (Use i, ii, iv, etc. for your answer) B. For CVOH, the C-N bonds fall between ...

Chemistry (WebWorks)
Answer the follow questions by looking at how the HOMO and LUMO change on the Energy Profile plot. More than one answer is possible for some questions. A. The HOMO image seen at the longest constraint distance most closely resembles . (Use i, ii, iv, etc. for your answer) B. ...

chemistry
How do you make a venn diagram of the 6 branches of chemistry? (Inorganic chemistry, organic chemistry, biochemistry, nuclear chemistry, physical chemistry, and analytical chemistry) like where would they go in the 3 circles

chemistry
I have a chemistry project where I need to make an object move using my knowledge of chemistry. The object os a small ball the size of a large marble. It must be moved using chemistry and NOT physics (ie slope wind etc). I am 15 and in grade 11.

chemistry/stiochiometry
could someone please answer my chemistry/stoichiometry questions below both "anonymous one just chemistry on todays date

CHEMISTRY!!!!! HELP!!

statistics
At a certain college, 15% of the students receieved an A in their required math cousre, 10% receieved an A in their required chemistry course, and 5% receieved an A in both. A student is selected at random. a.) What is the probability that he received an A in either chemistry ...

Chemistry
Our professor just told us that the final exam will be the ACS exam, we are taking general Chemistry II. What is the best way to study for ir? Is the preparing for ACS general chemistry study guide good? If we are taking general Chemistry II do we have to study Chemistry I again?

Chemistry
Our professor just told us that the final exam will be the ACS exam, we are taking general Chemistry II. What is the best way to study for ir? Is the preparing for ACS general chemistry study guide good? If we are taking general Chemistry II do we have to study Chemistry I again?

General Chemistry!!!!
Hi I'm a high school teacher. I teach General Chemistry. I'm looking for a textbook for my student. In this course we learn the basics of chemistry and how it relates to our everyday lives/world.

Chemistry (kind of)
Okay so this is actually for an english assignment where we have to report on a problem in our field....mine happens to be Chemistry so I was wondering what kind of problems or disputes can be caused in a chemistry lab...

Math
If you pass general chemistry, then you can take organic chemistry. You pass general chemistry. ˆ You can take organic chemistry. Let P = you pass general chemistry Let Q = you can take organic chemistry I came up with P - >Q P therefore Q But my set up is wrong, how do ...

Chemistry
I'm having a hard time getting started studying for my chemistry midterm. i'm kind of overwhelmed. my teacher gave me a brief study guide, but where would be the best place to start? are notecards effective for studying chemistry?

ap chemistry
I have taken ap chemistry but I have language barrier and sometimes I don't get it and I am getting behind.We are already in chapter 9.I don't want to quit. What is the best way to improve and learn faster?Any practice I should do?What is the experience taking ap chemistry ...

Chemistry
Chemistry and engineering topics how chemistry relates to engineering for my 10 page research paper

statistics
At a certain college, 15% of the students received an A in their required math course, 10% receieved an A in their required chemistry course, and 5% received an A in both. A student is selected at random. a.) What is the probability that he received an A in either chemistry or...

Chemistry
In polymer chemistry, it is often said that obtaining a polymer with certain desired physical properties is often more a problem of engineering than of chemistry. Why is this the case? bgfhftghgfgfnhgf

Ap chemistry
I'm taking ap chemistry also! I was just wondering about how much space they give you on an ap chemistry test the Multiple choice section, is it enough space for work? Do they give you scrap?

Chemistry
In polymer chemistry, it is often said that obtaining a polymer with certain desired physical properties is often more a problem of engineering than of chemistry. Why is this the case?

Chemistry
Hi, I have to take chemistry placement test for college this week. Does anyone here have advice for studying to prepare for the test? I took chemistry in high school 2 years ago so I don't remember anything.

statistics
At a certain college, 15% of the students received an A in their required math course, 10% received an A in their required Chemistry course, 5% received an A in both. A student is selected at random. a.) What is the probability tha he receieved an A in either Chemistry or Math...

math
500 students sat for an examination in mathematics,physics and chemistry.45 passed all the three subject,60 passed mathematics and chemistry,70 passed physics and chemistry,50 passed mathematics and chemistry,10 passed in mathematics,80 passed in chemistry and 35 passed at ...

Science
Which branches of science do pharmacists need knowledge of to do their job properly? A.physics and chemistry B.biology and chemistry C.chemistry and geology D.physics and computer science Is the answer B?

Chemistry
Compare the natural chemistry that takes place in the environment with the chemistry that takes place due to manmade factors like pollution. Discuss the effect of pollution at the local, regional, national, and global level.

chemistry
Describe the differance between chemistry and chemical technology. Technology is the making of applications. Chemical technology...making chemicals for practical or commercial purposes. Chemistry...the study of materials, their reactions

grd 12 U chemistry
Hi, i have a project for chemistry, i have to choose a scientist (i chose Micheal Smith) his career is biochemistry and i have to create a career related to biochemistry.. Question: After finding the famous chemist and then using their field of chemistry, create a career that ...

Sta 112
This is my question every one . Please help me have it already I had 6 as my answer. In a class of 50 student 28,22,20 of them offer physics,chemistry and biology respectively also 4 of them offer physics and chemistry but not biology,3 offer physics and biology but not ...

Hi, i have a project for chemistry, i have to choose a scientist (i chose Micheal Smith) his career is biochemistry and i have to create a career related to biochemistry.. Question: After finding the famous chemist and then using their field of chemistry, create a career that ...

just wondering...
what is harder, chemistry or physics? because i've been struggling all year in chemistry and i'm taking physics next year... i have a solid a in alg.2 though... oh yeah, and i want to be a physical therapist. so if i'm not to good in chemistry can i still be a physical ...

chemistry
I am doing stoicheometry and I need help. Is there anyone who knows about it? It's in my chemistry class. HELP! I am in tears and cannot figure this out.

Chemistry
Why was Wohler's synthesis of urea significant to the field of carbon chemistry? Please help. Thank you.

chemistry
answers to latenite labs chemistry lab#9 stoichiometry by loss of CO2

chemistry
I need some help with making a solubility rule for CrO4 -2 for my chemistry homework.

chemistry
what else could you use the Volhard method in Chemistry for? like is it used in a certain context?

college chemistry
what major concepts makes chemistry useful in everday life?

Chemistry
Why a model of the atom is crucial to understanding chemistry and in explaining the behavior of matter?

chemistry
which of the following has highest binding energy (nuclear chemistry) Fe-56 , O-16 , H-3 , U-235 and explain why

chemistry
hey i need help on finding a good oxidation chart for chemistry.

chemistry
Where would you find iron II sulphide outside a chemistry laboratory?

chemistry
Is Procion Red Dye a suitable model for chemistry lab?

Chemistry
I really need help with this; it'll be the last chemistry question I ask: 44. Identify the type of reaction. a. AB ---> A+B b. AB + C--> AC + B c. AB + CD --> AD + CB Thanks -MC

Chemistry II
Why is YBa2Cu3O7 a super conductor? Explain Chemistry and Structural bases.

chemistry
I need help on a balance ionic equation in chemistry Ca(NO3)2 + NaOH

CHEMISTRY
how would a chemistry student make a 600 mL of 1.5 M solution of NaBr?

CHEMISTRY
how would a chemistry student make a 600 mL of 1.5 M solution of NaBr?

chemistry
what major concepts makes chemistry useful in everday life?

chemistry
where would you find calcium carbonate and sodium chloride outside a chemistry lab?

chemistry
where would you find iron II oxide and sodium hydrogencarbonate outside a chemistry lab?

Chemistry
This is question 4a on section a.12 chemistry. What will you observe happening to the balloon as it sits in the warm car

Chemistry
What is the difference in molecular chemistry between silicone polymers and other polymeric materials?

Chemistry
What is the difference in molecular chemistry between silicone polymers and other polymeric materials?

Chemistry
What is the difference in molecular chemistry between silicone polymers and other polymeric materials?

Chemistry
Does anyone know the answers to the Chemistry unit 4 lesson 11 ( Chemical Bonding ) test ?? In 11th grade

chemistry
what is the purpose of using an ice bath in organic chemistry when isolating the final product?

Chemistry
I'm not doing so well in ap chemistry. i think i'm not studying the right way. can anyone suggest how i can raise my grade? i do my homework but it doesn't seem to help.

Can you take AP Chemistry without taking any previous chemistry class?

chemistry
This is another question on my chemistry worksheet. What is a gas's molecular mass? I guess they want the definition because there are no numbers involved.

chemistry .............chemistry
what color emission would you see if you heated each solution to an extremely high temperature? why

Chemistry
Why would a firefighter or a reporter need to understand chemistry?

previous chemistry.
can some one reply to my last chemistry post? thanks.

chemistry
can you tell me how can i make a chemistry working model for class 9

AP CHEMISTRY

Chemistry
Why is the mole considered an important quality in Chemistry? What does it allow us to do?

CHEMISTRY HELP
how can analytical chemistry help on different fields of sciences and technology?

Chemistry
Who used x-ray diffrection experiments for the periodic table http://www.chemistry.co.nz/henry_moseley.htm

Chem
why is an understanding of chemistry important in biology? All digestion, nutrition, muscle usage/reactions, cell division/reproduction, and all of the enzymatic processes at work in the body are chemisty. Even eyesight is a chemical reaction. So you need to know something ...

chemistry
can you give me examples of pictures just name it, ummm.. CHEMISTRY IN DAILY LIVING , TECHNOLOGY AND SOCIETY

chemistry
what does SPDF mean in chemistry on the periodic table? What is the PDO format in when writing a lab report? pls help

AP CHEMISTRY

explain the concept of a “stock solution” and standard solutions as if you were explaining it to a friend who is not studying chemistry.

Chemistry
I am working on a solid chemistry problem, but I do understand what e^ means. Is it the elementary charge? or Faraday constant. Please help.

Chemistry
Please,tell me the ways I can use to understand chemistry better.I need help,and it is urgent because am starting to drop.

Chemistry
Tell me a website from where i can get full information regarding IUPAC nomenclature of organic chemistry. It's rules, inforamtion everything.

chemistry help
Describe how you would prepare 250.0 mL of a 0.500 M solution of NaCl by using apparatus found in a chemistry lab.

chemistry
Im brenda,n i found its hard copng in chemistry.im dng grd 11,n i wish 2 hv sm1 wo wil help m cope.tnx

chemistry
Hi I am in AP Chemistry and I did not take regulars chem so I have never done labs before and was wondering If anyone could give me examples on how to do a lab

Chemistry
For my Chemistry question it's about herbicide's What do they do? what are they intended for? what risk's do they pose in our society? how are they created? if anyone could answer these please thanks you!

Chemistry
describe how you would prepare 250.0 mL of a .500 M solution of NaCl by using apparatus found in a chemistry lab.

Chemistry! HELP
A chemistry student used the symbol "sx" to represent an s orbital that lies along the x-axis. Is this reasonable. Justify your answer.

Chemistry
What is the chemistry behind the ASA – FeCl3 reaction?

Chemistry
What is the chemistry behind the ASA – FeCl3 reaction?

chemistry
how do you add ph values of neutrals and bases in chemistry?

Chemistry --- chemistry ---
what is the difference between an atom and an ion ???

chemistry .....chemistry
what element include in the fireworks power ? why

chemistry
What is an open and closed sytem refer to in chemistry? thanks!

ap chemistry
WHERE CAN I TAKE AP CHEMISTRY ONLINE DIAGNOSTIC TEST?

Chemistry
Could anyone give a web about 1.Practical arts 2.Greek theory 3.Alchemy 4.Plogiston 5.Modern Chemistry Thanks:-) Duplicate post.

Y9 chemistry
I need to answer a few questions fo my chemistry homework- 1.Why does the mass of copper sulphate decrease as a result of being heated?

Chemistry
Please help-I need to give at least three examples of how heat, solutions,equillibrium, nuclear and organic chemistry are interrelated. Thank you

Chemistry
Please help-I need to give at least three examples of how heat, solutions,equillibrium, nuclear and organic chemistry are interrelated. Thank you

Chemistry
Does anyone know a website with practice problems (and answers) regarding quantitative chemistry? I haven't been able to find anything on Google.

chemistry
According to Solubility guidelines chemistry reference table, which of these salts is least soluble in water? a- PbCl2 b- RbCl c- LiCl d- FeCl2

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